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Year 2010 - Volume 30, Number 2
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Fine-needle aspiration cytology as a sampling method for histopathology in canine osteosarcoma, 30(2):145-148
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ABSTRACT.- Teixeira L.V., Lopes S.T.A., Martins D.B., França R.T. & Fighera R.A. 2010. [Fine-needle aspiration cytology as a sampling method for histopathology in canine osteosarcoma.] Punção aspirativa por agulha fina como método de coleta de material para a histopatologia no osteossarcoma canino. Pesquisa Veterinária Brasileira 30(2):145-148. Laboratório de Análises Clínicas Veterinárias, Departamento de Clínica de Pequenos Animais, Hospital Veterinário Universitário, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil. E-mail: luciele.sm@gmail.com
Cytopathologic and histopathologic tests are important to obtain a definitive diagnosis of osteosarcoma. The sample for cytopathological exam is collected through fine-needle aspiration cytology (FNA). On the other hand, histopathological exams need a larger sample that is usually obtained by incisional biopsy. The objective of this article is to develop a FNA technique to biopsy and evaluate histopatologically samples of dogs with suspected osteosarcoma. Two FNS samples were collected from 12 such dogs. Samples obtained in the first procedure were examined cytologically. The material sampled at the second biopsy was fixed in 10% formalin and submitted to histopathological analysis. Four out of the 12 samples (33.3%) examined by the herein proposed method were diagnosed as osteosarcoma. These results indicate a possible adaptation of FNA for histopathological examination. |
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